Nice to have the state road descriptions in one handy booklet. (Not kidding. This is my hobby.) Too bad there's none for 1941 or 1943, after the legislature began to add every tiny road to the system and the SRD stopped dutifully assigning numbers in sequence. I only have bits and pieces of the history from then
(they got up to at least 625, Lee Road in the Orlando area between US 441 and Edgewater Drive).